android-listview

问题 Here I have created custom dialog which includes listview with single choice mode. when user selects one of the item in listview then it should be selected when dialog is opened next time and user must be able to select another item also. Butmy problem is dialog radiobutton are unchecked when dialog is reopened. I have reffered the http://blog.thisisfeifan.com/2011/10/2-lines-text-in-single-choice-listview.html So what is wrong in my code ? My custom Dialog xml file: <?xml version="1.0"

问题 I want to list my ArrayList items to the simple list view. I tried to convert ArrayList(iller) to StringArray(mListe) but I couldn't. It gives me always NullPointerException. What is my mistakes and how can I solve this problem Thank you for any help. This is my List Fragment; public class ListeFragment extends ListFragment { public View mView; public String[] mListe; public ListView listView; public ArrayList<String> iller = new ArrayList<String>(); @Override public View onCreateView

问题 I am trying to figure this out, but i just cant see what i am doing wrong. I want to dynamically fill ListView with products (add product to array then refresh list, basically for every click add one product to array then display content of array in ListView) which is in 2nd fragment with the data from the first Fragment. Passing Data is working (used Log to confirm), but my main problem is updating the ListView which has custom adapter. With this code nothing is happening (ViewList is not

问题 i have a list view inside a recyclerview like this: and scrolling of listview doesnt work on this implementation. my goal is when clicking on button the listview toggle to show and hide. the main Ui is on viewpager for tab public class tabOne extends Fragment { RecyclerView myTabRecycler; adapterMainList adapter; public tabOne() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater,

问题 Trying to Sync complete List , by doing tap on button, but instead of syncing whole list code only syncing records visible in a list, my mean when i do scroll down to list, it is not syncing records. For example, I have 300 records in a list, but only 10 records are visible to camera screen for rest need to scroll, so my program only Syncing those 10 records, not whole list, why ? ImageButton buttonSync = (ImageButton) findViewById(R.id.sync_btn); buttonSync.setOnClickListener(new

问题 I have a list of the users installed applications and want it to come out already alphabetized (not on dividers or anything like that just already alphabetized) I looked around but I haven't really found anything like this (it has all been with dividers). I feel like this should be a simple thing to do but I haven't been able to figure it out. Here is my code: Utilities.java: package com.example.awesomefilebuilderwidget; IMPORTS public class Utilities { /* * Get all installed application on

问题 I'm very new to Android Dev/Java and I'm following a tutorial online and trying to create a simple To Do list application for Android. It looks the tutorial is a bit outdated and relies on the DPAD to navigate up and down the list of tasks in order to target a list item and delete it using the "Delete Button" in the applications menu. I am having a hard time trying to figure out how to "select" a list item on click and delete it using the "delete" button. Right now when a click a list item it

问题 when i use the serachbox for my Listview, i get everytime the same result. For Example: Car Flower Hate Love Water When I typef or h or l etc. the result is Car. I worked with this example http://androidcocktail.blogspot.in/2012/04/search-custom-listview-in-android.html Activity: package de.bodprod.rettinfo; import java.util.ArrayList; import java.util.HashMap; import android.app.ListActivity; import android.content.Context; import android.os.Bundle; import android.text.Editable; import

问题 I have a db data list which extends SQLiteOpenHelper . I can read the data, I can save new data but the problem it is I want below the ListView to show another layout which is named clear_history so what I am trying to do is show me ListView and the TextView below the list. I was trying to create a RecyclerView Adapter but I wasn't able to achieve that. Because I want to have a textView which I can use for click listener and do delete the db list. Below are the photos from the list I want.

问题 The ListView should display the content of the rather long code-list of products (say up to 100 thousands, i.e. nothing small). Because of that, effective and interactive searching is important. For the reasons not explained here, the filter value should be the part of URI... I am using SQLite table, and the LoadManager and CursorLoader approach. Whenever the filter string changes, the cursor loader is reset, and the onCursorLoader is called, in turn. I am using the code like this: @Override